Which of the following statements about a compound is incorrect?

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A molecule of a compound has atoms of different elements.

A compound can’t be separated into its constituent elements by physical methods of separation.

A compound retains the physical properties of its constituent elements.

The ratio of atoms of different elements in a compound is fixed.

answer is C.

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Detailed Solution

●        A compound's molecules contain atoms from various elements.
●        Physical separation techniques cannot break down a complex into its component parts.
●        In a compound, the proportion of atoms from various elements is fixed.
●        A compound loses the physical characteristics of its component parts. As a result of the fact that when two or more elements are chemically joined, a new compound is created with unique chemical and physical properties based on the type of bonding present.
●        As a result, choice 3 is the right response.

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